*{   /*所有的元素*/
    margin: 0;   /*外间距*/
    padding: 0;  /*内间距*/
}

/* =======头部========= */
.header_nav{
    width: 100%;
    height: 50px;
    text-align: center;   /*文字水平居中*/
    min-width: 1200px !important;
} 


/* logo */
.logo{
    position: relative;
     background: url("../images/pro5.png") no-repeat 0;
     background-size: 310px 100px;
     height: 35px;
}
 
.header_nav .logo,.mynav,.login{
    height: 100%;
    
}

.header_nav .mynav .nav li{
    text-align: center;
    border-radius: 4px;
}
.header_nav .mynav .nav li a{    
    width: 60px;
    margin-right: 20px;
   color: rgb(44, 44, 44);
  
}

.header_nav .mynav .nav  .first_item{
    background-color:rgb(168, 248, 248) ;
    color: white !important;
 }

 
.header_nav .mynav .nav li a:hover{
    background-color: rgb(168, 248, 248);
     
}




/* 登录注册 按钮 */
.loginBtn{
    display: block;
    width: 60px;
    height: 40px;
    line-height: 40px; /*垂直居中*/
    background-color: rgb(58, 219, 219);
    color: white;
    float: left;
    margin-left: 10px;
}

/* =========横幅====== */
.banner{
    width:  100%;
    height: 250px;  
    
    min-width: 1200px  !important;
}

.banner img{
    width: 100%;
    height: 100%;
}

/* ==========正文部分====== */
.wrapper{
    width: 100%;
    height: 600px;
}

.wrapper .aside_ad , .main{
    height: 100%;
    border: 1px solid salmon;
}



/* ===============main 商品列表部分================ */
.main ul{
    width: 100%;
    height: 100%;
    
    list-style: none;  /*去除小黑点*/

}

.main ul li{
    width: 160px;
    height: 260px;
    margin-right: 30px;
    margin-bottom: 30px;
    float: left;
    
}

.main ul li a{
    display: block;
    width: 100%;
    height: 100%;
    text-align: center; /*文字水平居中*/
    text-decoration: none ; /*去除下划线*/
    
}


.main ul li a img{
    width: 160px;
    height: 160px;
}

.main ul li a p{
   color: rgb(65, 65, 65);
   font-size: 12px;
}

.main ul li a .price{
    color: red;
    font-size: 14px;
}










